Home / 427,760,830.80-641,641,246.20-104,644,702.80

Finding the Fourth Proportional to 427,760,830.80, 641,641,246.20 and 104,644,702.80

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Solution

The fourth proportional to 427,760,830.80, 641,641,246.20 and 104,644,702.80 is: 156,967,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,760,830.80 : 641,641,246.20 = 104,644,702.80 : x
  2. Step 2: Convert to fraction form
    427,760,830.80/641,641,246.20 = 104,644,702.80/x
  3. Step 3: Cross multiply
    427,760,830.80x = 641,641,246.20 × 104,644,702.80
  4. Step 4: Simplify right side
    427,760,830.80x = 67,144,357,512,820,632
  5. Step 5: Solve for x
    x = 67,144,357,512,820,632/427,760,830.80
  6. Step 6: Final answer
    x = 156,967,054.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.